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Recent work incorporates pre-trained word embeddings such as BERT embeddings into Neural Topic Models (NTMs), generating highly coherent topics. However, with high-quality contextualized document representations, do we really need…

计算与语言 · 计算机科学 2022-04-22 Zihan Zhang , Meng Fang , Ling Chen , Mohammad-Reza Namazi-Rad

Owing to the rapidly growing multimedia content available on the Internet, extractive spoken document summarization, with the purpose of automatically selecting a set of representative sentences from a spoken document to concisely express…

计算与语言 · 计算机科学 2015-06-16 Kuan-Yu Chen , Shih-Hung Liu , Hsin-Min Wang , Berlin Chen , Hsin-Hsi Chen

Importance of document clustering is now widely acknowledged by researchers for better management, smart navigation, efficient filtering, and concise summarization of large collection of documents like World Wide Web (WWW). The next…

信息检索 · 计算机科学 2011-12-30 Muhammad Rafi , M. Shahid Shaikh , Amir Farooq

The notion of word embedding plays a fundamental role in natural language processing (NLP). However, pre-training word embedding for very large-scale vocabulary is computationally challenging for most existing methods. In this work, we show…

计算与语言 · 计算机科学 2021-09-16 Junsheng Kong , Weizhao Li , Zeyi Liu , Ben Liao , Jiezhong Qiu , Chang-Yu Hsieh , Yi Cai , Shengyu Zhang

Recently, the supervised learning paradigm's surprisingly remarkable performance has garnered considerable attention from Sanskrit Computational Linguists. As a result, the Sanskrit community has put laudable efforts to build task-specific…

计算与语言 · 计算机科学 2021-04-02 Jivnesh Sandhan , Om Adideva , Digumarthi Komal , Laxmidhar Behera , Pawan Goyal

With the explosive growth of academic literature, effectively evaluating the knowledge value of literature has become quite essential. However, most of the existing methods focus on modeling the entire citation network, which is…

信息检索 · 计算机科学 2025-07-16 Zehui Qu , Chengzhi Liu , Hanwen Cui , Xianping Yu

Despite advances in neural machine translation, cross-lingual retrieval tasks in which queries and documents live in different natural language spaces remain challenging. Although neural translation models may provide an intuitive approach…

信息检索 · 计算机科学 2021-07-30 Zhizhong Chen , Carsten Eickhoff

Text Summarization is the task of condensing long text into just a handful of sentences. Many approaches have been proposed for this task, some of the very first were building statistical models (Extractive Methods) capable of selecting…

计算与语言 · 计算机科学 2020-04-02 Amr M. Zaki , Mahmoud I. Khalil , Hazem M. Abbas

In this study, book summaries and categories taken from book sites were classified using word embedding methods, natural language processing techniques and machine learning algorithms. In addition, one hot encoding, Word2Vec and Term…

计算与语言 · 计算机科学 2025-07-30 Kerem Keskin , Mümine Kaya Keleş

With the huge upsurge of information in day-to-days life, it has become difficult to assemble relevant information in nick of time. But people, always are in dearth of time, they need everything quick. Hence clustering was introduced to…

信息检索 · 计算机科学 2015-03-02 Rakesh Chandra Balabantaray , Chandrali Sarma , Monica Jha

Knowledge bases (KBs) and text often contain complementary knowledge: KBs store structured knowledge that can support long range reasoning, while text stores more comprehensive and timely knowledge in an unstructured way. Separately…

计算与语言 · 计算机科学 2021-06-04 Vardaan Pahuja , Yu Gu , Wenhu Chen , Mehdi Bahrami , Lei Liu , Wei-Peng Chen , Yu Su

Query clustering organizes queries into groups that reflect shared latent capability demands, enabling capability-aware LLM evaluation. Existing clustering methods, which primarily rely on semantic taxonomies or embeddings, often fail to…

人工智能 · 计算机科学 2026-05-19 Fangzhou Wu , Sandeep Silwal , Qiuyi Zhang

In NLP, text classification is one of the primary problems we try to solve and its uses in language analyses are indisputable. The lack of labeled training data made it harder to do these tasks in low resource languages like Amharic. The…

计算与语言 · 计算机科学 2021-03-11 Israel Abebe Azime , Nebil Mohammed

The high dimensional and semantically complex nature of textual Big data presents significant challenges for text clustering, which frequently lead to suboptimal groupings when using conventional techniques like k-means or hierarchical…

计算与语言 · 计算机科学 2025-08-25 Mohammad Wali Ur Rahman , Ric Nevarez , Lamia Tasnim Mim , Salim Hariri

External knowledge is often useful for natural language understanding tasks. We introduce a contextual text representation model called Conceptual-Contextual (CC) embeddings, which incorporates structured knowledge into text…

计算与语言 · 计算机科学 2020-03-13 Xiao Zhang , Dejing Dou , Ji Wu

Crosslingual word embeddings represent lexical items from different languages in the same vector space, enabling transfer of NLP tools. However, previous attempts had expensive resource requirements, difficulty incorporating monolingual…

计算与语言 · 计算机科学 2016-07-01 Long Duong , Hiroshi Kanayama , Tengfei Ma , Steven Bird , Trevor Cohn

The task of organizing and clustering multilingual news articles for media monitoring is essential to follow news stories in real time. Most approaches to this task focus on high-resource languages (mostly English), with low-resource…

计算与语言 · 计算机科学 2022-04-29 João Santos , Afonso Mendes , Sebastião Miranda

In this research, we improve upon the current state of the art in entity retrieval by re-ranking the result list using graph embeddings. The paper shows that graph embeddings are useful for entity-oriented search tasks. We demonstrate…

信息检索 · 计算机科学 2020-05-07 Emma J. Gerritse , Faegheh Hasibi , Arjen P. de Vries

Distributed representations of words have shown to be useful to improve the effectiveness of IR systems in many sub-tasks like query expansion, retrieval and ranking. Algorithms like word2vec, GloVe and others are also key factors in many…

信息检索 · 计算机科学 2019-09-05 Tommaso Teofili , Niyati Chhaya

Current state-of-the-art nonparametric Bayesian text clustering methods model documents through multinomial distribution on bags of words. Although these methods can effectively utilize the word burstiness representation of documents and…

机器学习 · 计算机科学 2018-12-03 Tiehang Duan , Qi Lou , Sargur N. Srihari , Xiaohui Xie